Motor vehicles – Special driving device – Portable track
Patent
1980-10-01
1983-07-05
Bertsch, Richard A.
Motor vehicles
Special driving device
Portable track
180 67, 305 16, B62D 5500
Patent
active
043913415
ABSTRACT:
The invention relates to a supporting chassis for a working machine, constituted by a central frame assembled to two longitudinal side-members.
Each side-member is essentially constituted by a metal sheet which is bent to form an overturned V and by a plate, closing off the said V, which is fitted to the lower ends of the sides of the overturned V.
The invention finds an application as a supporting chassis for a hydraulic shovel.
REFERENCES:
patent: 2710222 (1955-06-01), Barenyi
patent: 3529687 (1970-09-01), Pensa
patent: 3710950 (1973-01-01), Pottorff et al.
patent: 4249625 (1981-02-01), Palm
Bertsch Richard A.
Poclain
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